diff --git a/requirements.txt b/requirements.txt
index cd9268a..0b23b18 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -14,7 +14,7 @@ matplotlib==3.3.4
 msgpack==1.0.2
 numpy==1.22.0
 packaging==20.9
-Pillow==9.0.1
+Pillow==9.3.0
 pkginfo==1.7.0
 -e git+https://github.com/clagms/PyCosimLibrary.git@6cdcd1d75bf4a11f556ea0432d6342cd5ac98433#egg=PyCosimLibrary
 Pygments==2.8.0